title: [New investigations on azulenes and azulene formators].
mesh_terms: D052176:Azulenes; D009281:Naphthalenes / Q000031:analogs & derivatives
chemical_list: D052176:Azulenes; D009281:Naphthalenes; C031721:naphthalene; C005525:azulene
keywords: NAPHTHALENE/derivatives
vernacular_title: Neuere Untersuchungen über Azulene und Azulenbildner.